български (Bulgarian)
Simulations not yet translated into Bulgarian
- Acid-Base Solutions (HTML5)
- Acid-Base Solutions
- Area Builder (HTML5)
- Area Model Algebra (HTML5)
- Area Model Decimals (HTML5)
- Area Model Introduction (HTML5)
- Area Model Multiplication (HTML5)
- Arithmetic (HTML5)
- Arithmetic
- Atomic Interactions (HTML5)
- Atomic Interactions
- Balancing Act
- Balancing Chemical Equations
- Balloons & Buoyancy
- Band Structure
- Beer's Law Lab (HTML5)
- Blackbody Spectrum (HTML5)
- Blackbody Spectrum
- Build a Fraction (HTML5)
- Build a Fraction
- Build a Molecule
- Calculus Grapher
- Capacitor Lab: Basics (HTML5)
- Charges and Fields (HTML5)
- Collision Lab
- Concentration (HTML5)
- Coulomb's Law (HTML5)
- Curve Fitting
- Davisson-Germer: Electron Diffraction
- Diffusion (HTML5)
- Double Wells and Covalent Bonds
- Eating & Exercise
- Electric Field Hockey
- Energy Forms and Changes (HTML5)
- Energy Forms and Changes
- Energy Skate Park
- Energy Skate Park: Basics
- Equality Explorer (HTML5)
- Equality Explorer: Basics (HTML5)
- Equality Explorer: Two Variables (HTML5)
- Equation Grapher
- Estimation
- Expression Exchange (HTML5)
- Faraday's Law (HTML5)
- Fluid Pressure and Flow
- Forces and Motion
- Forces and Motion: Basics
- Forces in 1 Dimension
- Fraction Matcher (HTML5)
- Fraction Matcher
- Fractions: Equality (HTML5)
- Fractions: Mixed Numbers (HTML5)
- Fractions: Intro (HTML5)
- Fractions Intro
- Friction
- Function Builder (HTML5)
- Function Builder: Basics (HTML5)
- Gases Intro (HTML5)
- Gas Properties (HTML5)
- Gas Properties
- Gene Expression Essentials (HTML5)
- Gene Expression - The Basics
- Gene Machine: The Lac Operon
- Glaciers
- Graphing Lines (HTML5)
- Graphing Lines
- Graphing Quadratics (HTML5)
- Graphing Slope-Intercept (HTML5)
- The Greenhouse Effect
- Ladybug Motion 2D
- Ladybug Revolution
- Lasers
- Least-Squares Regression (HTML5)
- Lunar Lander
- Make a Ten (HTML5)
- Masses and Springs (HTML5)
- Masses & Springs
- Masses and Springs: Basics (HTML5)
- Maze Game
- Membrane Channels
- Microwaves
- Models of the Hydrogen Atom
- Molarity (HTML5)
- Molarity
- Molecular Motors
- Molecule Polarity (HTML5)
- Molecule Polarity
- Molecules and Light (HTML5)
- Molecules and Light
- Molecule Shapes
- Molecule Shapes: Basics (HTML5)
- Molecule Shapes: Basics
- The Moving Man
- My Solar System
- Natural Selection
- Neon Lights & Other Discharge Lamps
- Neuron (HTML5)
- Neuron
- Normal Modes
- Optical Quantum Control
- Optical Tweezers and Applications
- Pendulum Lab
- pH Scale
- pH Scale: Basics (HTML5)
- Plate Tectonics
- Plinko Probability (HTML5)
- Plinko Probability
- Projectile Motion (HTML5)
- Projectile Motion
- Proportion Playground (HTML5)
- Quantum Bound States
- Quantum Tunneling and Wave Packets
- Quantum Wave Interference
- Radiating Charge
- Radio Waves & Electromagnetic Fields
- The Ramp
- Ramp: Forces and Motion
- Reactants, Products and Leftovers (HTML5)
- Reactants, Products and Leftovers
- Reactions & Rates
- Resonance
- Reversible Reactions
- Rutherford Scattering
- Salts & Solubility
- Self-Driven Particle Model
- Semiconductors
- Simplified MRI
- Sound
- States of Matter
- States of Matter: Basics
- Stern-Gerlach Experiment
- Stretching DNA
- Sugar and Salt Solutions
- Torque
- Trig Tour (HTML5)
- Under Pressure
- Unit Rates (HTML5)
- Vector Addition
- Wave Interference (HTML5)
- Wave on a String
The remaining simulations can be translated using the PhET Translation Utility.